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Computer Hardware

Computer Hardware
Which is the most difficult environmentally to dispose of?

system boards
power supplies
floppy drives
CRTs
hard drives

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Computer Hardware
When not in use, it is very important to keep 5 VA diskettes in _____.

In the floppy drive
None of these
In a plastic bag
On a shelf in an upright position
Their protective sleeves

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Computer Hardware
What is the i/o address for com2?

2f8
2vb
None of the listed here
8f8

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Computer Hardware
What command is used to hand up a MODEM when using the "AT Answer Command set"?

None of these
ATZ
ATH
ATD
ATR

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Computer Hardware
During the normal PC boot process, which of the following is active first?

None of these
RAM BIOS
CMOS
Hard disk information
ROM BIOS

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Computer Hardware
How many DMA channels are there in an AT class PC?

None of these
7
4
8
3

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